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Joe can paint a fence in three hours; mary can paint it in two hours. how long will it take them to paint the fence if they work together?
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3 votes
Joe can paint a fence in three hours; mary can paint it in two hours. how long will it take them to paint the fence if they work together?

User Wiml
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6.0k points

1 Answer

3 votes
776 h?
but what are the options for the answers?
User EGC
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